66491320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3253}}^1$

素因数の和:3344

約数の個数: 64

約数和(自身を含む): 173373120

約数和(自身を除く): 106881800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 3253, 4088, 5110, 6506, 10220, 13012, 16265, 20440, 22771, 26024, 32530, 45542, 65060, 91084, 113855, 130120, 182168, 227710, 237469, 455420, 474938, 910840, 949876, 1187345, 1662283, 1899752, 2374690, 3324566, 4749380, 6649132, 8311415, 9498760, 13298264, 16622830, 33245660, 66491320]

約数ペア:

[(1, 66491320), (2, 33245660), (4, 16622830), (5, 13298264), (7, 9498760), (8, 8311415), (10, 6649132), (14, 4749380), (20, 3324566), (28, 2374690), (35, 1899752), (40, 1662283), (56, 1187345), (70, 949876), (73, 910840), (140, 474938), (146, 455420), (280, 237469), (292, 227710), (365, 182168), (511, 130120), (584, 113855), (730, 91084), (1022, 65060), (1460, 45542), (2044, 32530), (2555, 26024), (2920, 22771), (3253, 20440), (4088, 16265), (5110, 13012), (6506, 10220)]